e89f590646
Bug: v8:7790 Change-Id: If2a8123e5657f0ea9a007b5f1a82e9d1a91c80f9 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1679493 Reviewed-by: Georg Neis <neis@chromium.org> Commit-Queue: Maya Lekova <mslekova@chromium.org> Cr-Commit-Position: refs/heads/master@{#62763}
27 lines
515 B
JavaScript
27 lines
515 B
JavaScript
// Copyright 2019 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax --no-always-opt --opt
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const r = RegExp('bla');
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function foo() {
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r.test('string');
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}
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%PrepareFunctionForOptimization(foo);
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foo();
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foo();
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%OptimizeFunctionOnNextCall(foo);
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foo();
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assertOptimized(foo);
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r.__proto__.exec = function() {
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return null;
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}
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Object.freeze(r.__proto__);
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foo();
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assertUnoptimized(foo);
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